LABAlien Evolution Lab
Species that share a recent common ancestor also share inherited traits, so biologists can reconstruct…
Topic
Evolution
Evolution explains the diversity of life through the mechanisms of natural selection, genetic drift, gene flow, and mutation. Over time, these processes lead to adaptations, speciation, and the remarkable variety of organisms that inhabit Earth.
8 interactives
LAB
SONGAnalogous
A song about convergent evolution, and why a shared shape is not evidence of shared ancestry.
LABBed Bug Treatment Lab
When a pesticide kills most of a population, the few individuals carrying a resistance allele survive…
QUIZEndosymbiotic Theory Interactive
Mitochondria and chloroplasts were once free living bacteria that were swallowed by an ancestral cell…
LABFounder’s Effect Simulator
When a few individuals start a new population, they carry only a small sample of the original gene pool,…
QUIZPocket Mice Natural Selection
Natural selection acts when some individuals survive and reproduce better than others because of the…
LABReproductive Isolation Simulator
A new species forms when two populations stop interbreeding and their gene pools drift apart. The…
SIMVariant Ventures
Viruses copy their genetic material imperfectly, so each round of replication can throw up variants with…